hey please help my assinment id due soon and i cnt fail!!! lol mum will kill me!!! i have a few questions please if you are answering tell me which question it is from thanx and please help :D!!!Question 1:How do you tell if an electric motor is AC or DC. AC is alternating current and DC is direct current.Question 2:How could you measure or calculate how much power (in watts) an electric motor produces?Question 3:Please explain where the force comes from that makes an electric motor move.Thank you soooo much to the people that actually helped!!! :D
Q1. a DC motor only has one coil of wire, and a left and right magnet. (Single Phased) An Ac motor can be two or three phase. so the AC motor has more than one coil of wire. Q2. power = amps x voltage.... the voltage applied times the amps applied would give your power in watts. amperage can be measure with an amp meter. Q3. The force that moves the motor comes from electromagnetism. There are magnets and coils in the motors. When the coils are energized with they become magnetise and the opposed the magnets forcing the rotor (in which usually the coils of wire are) to turn For more info read on wikipedia
